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TECHNICAL APPLICATION GUIDE
FOR MINI-REGULATOR WITH AND WITHOUT DRAIN CHECK OPTIONS
R2000 ROTATOR
WITH MINI REGULATOR
Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com
MR/MRDC/MDC
®
TABLE OF CONTENTS
of pressure control
6.0 OPTIONAL MODELS
WARRANTY
MRDC-AP 11/14
MR/MRDC
MDC Guide
1
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Table of Contents
Related Manuals for Nelson MR
Summary of Contents for Nelson MR
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Page 1: Table Of Contents
7.0 MATERIAL LIST OF PARTS 4.2 Overtree cooling 4.3 Drip lines WARRANTY 4.4 Rotator for wheel lines 4.5 Green house irrigation Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com... -
Page 2: Regulating Water Pressure
(3.1 BAR); 50 PSI (3.4 BAR) Inlet (keep FLOW RANGE: pressure above 0.5 - 5 GPM (1.8-18.9 LPM) regulator rating) Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com... -
Page 3: Operation Details
3.1 MR (MINI REGULATOR) The MR regulator will allow water flow but does not provide any pressure control benefit until the rated inlet pressure is provided. Any additional pressure is then regulated to keep the irrigation constant. Provide a 5 PSI pressure margin to have the most accurate pressure regulation. -
Page 4: Typical Applications
4.5 GREEN HOUSE IRRIGATION The drain check will keep the sprinklers from dripping or draining after shut off and quick start-up. Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com... -
Page 5: Technical Performance Details
5.3 PERFORMANCE CONSIDERATIONS The MR is always open and creates very little nozzle turbulence. The worst case for turbulence is for the MRDC or MDC to be in a partially open condition. The problem is avoided by operating above the recommended... -
Page 6: Minimal Required Pressure Input
On the MR the desired condition is on the flat portion of the performance curve. On the MRDC, always maintain 5 PSI above the rated pressure to have the best performance. The MRDC has a unique characteristic that requires adequate pressure to open. -
Page 7: Design Considerations
Larger material and stringy fibers (such as snail shells) can plug inside the regulator seat area. Access to remove the plug is gained through the inlet of the regulator. Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com... -
Page 8: Material List Of Parts
WARRANTY AND DISCLAIMER The Nelson Mini Regulator, Mini Regulator Drain Check and Mini Drain Check are warranted for one year from date of original sale to be free of defective materials and workmanship when used within the working specifications for which the product was designed and under normal use and service. The manufacturer assumes no responsibility for installation, removal or unauthorized repair of defective parts.